SWAFLY Hitachi ZX170LC-5A Swing Device Part No. YB00002172RM YB00002172
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SWAFLY Hitachi ZX170LC-5A Swing Device Part No. YB00002172RM YB00002172
Premium SWAFLY Hitachi ZX170LC-5A Swing Device YB00002172RM for Excavator Performance
As a leading supplier of engineering machinery accessories, SWAFLY is proud to offer the high-quality Hitachi Swing Device, specifically for the Hitachi ZX170LC-5A excavator. This crucial component, identified by the part numbers YB00002172RM and YB00002172, ensures smooth and powerful swing motion for your Hitachi excavator. We specialize in providing reliable replacement excavator spare parts, including hydraulic pumps, travel motors, control valves, and track adjusters, ensuring minimal downtime for your machinery.
Our commitment to quality makes us a preferred choice for crawler excavator parts, heavy equipment components, and hydraulic system repair parts. We understand the importance of genuine performance in Hitachi parts.
Reliable Hitachi ZX170LC-5A Swing Motor YB00002172RM YB00002172 Replacement
The Swing Device is a vital part of the Hitachi ZX170LC-5A's rotation system. Our replacement unit, YB00002172RM (YB00002172), is manufactured to strict specifications to guarantee compatibility and longevity. SWAFLY is your reliable source for a comprehensive range of excavator final drives, engine assembly parts, and undercarriage components. Searching for Hitachi swing motor replacement, ZX170LC-5A hydraulic parts, or OEM quality excavator parts China? SWAFLY has the solution.
We are dedicated to supporting your heavy machinery with affordable excavator repair parts, diesel engine parts supplier, excavator boom cylinder seal kits, control valve solenoid, and heavy machinery hydraulic pump repair. Key brand keywords integrated are Hitachi and the part's category Swing Device.
SWAFLY Main Business Focus: Engineering Machinery Accessories
Our core business revolves around high-quality engineering machinery accessories for various brands, with a strong focus on Hitachi excavator parts. We supply everything from excavator hydraulic main pumps and final drive motor assembly to cylinder seal kits and cabin assembly. We integrate 20 essential long-tail keywords to optimize your search experience:
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Understanding the Hitachi ZX170LC-5A Swing Device
The Swing Device (YB00002172RM) on the Hitachi ZX170LC-5A is the complete assembly responsible for rotating the upper structure (cab and boom) of the excavator. It typically consists of a hydraulic motor, a planetary gear reduction mechanism, and a brake system, all connected to the swing bearing (also known as the slewing ring) to achieve 360-degree rotation. Proper maintenance of the Swing Device is essential for the excavator's productivity and safety.
Essential Hitachi Excavator Part Definitions:
Travel Motor: Located in the Undercarriage, it converts hydraulic pressure into rotary motion to drive the tracks. Hitachi ZX330-3 Travel Motor
Control Valve: Located in the Main Frame, it directs hydraulic fluid flow to actuators like cylinders and motors. Hitachi ZX240-5A Control Valve
Track Adjuster: Located in the Undercarriage, it maintains the proper tension of the track chain. Hitachi ZX350-5 Track Adjuster
Boom Cylinder: Located on the Upper Structure/Attachment, it raises and lowers the main boom arm. Hitachi ZX450-3 Boom Cylinder
Arm Cylinder: Located on the Attachment, it controls the movement of the secondary arm (stick). Hitachi ZX290-5 Arm Cylinder
Bucket Cylinder: Located on the Attachment, it controls the opening and closing or tilting of the bucket. Hitachi ZX130-5A Bucket Cylinder
Piston Pump: Located in the Main Frame/Hydraulic System, it is the main source of hydraulic power. Hitachi ZX70-5A Piston Pump
Cabin Assembly: Located on the Upper Structure, it is the operator's compartment. Hitachi ZX210-3 Cabin Assembly
Engine: Located in the Upper Structure, it is the primary power source for the machine. Hitachi ZX330-3 Engine
H Links: Located in the Undercarriage, these are part of the track frame connection. Hitachi ZX210-5 H Links
Heavy Machinery Fault and Solution: Hitachi ZX330-5A Excavator
Fault: The Hitachi ZX330-5A experiences slow swing or complete failure of the swing motion, even when the engine is running at full power. This often indicates a problem within the Swing Device or the associated hydraulic circuit.
Analysis and Troubleshooting:
Check Hydraulic Pressure: Use a gauge to check the pilot pressure and main system pressure to the Swing Motor. Low pilot pressure can prevent the Control Valve from fully shifting.
Inspect Swing Brake: A stuck or improperly releasing Swing Brake is a common cause of slow swing. Check the brake solenoid and control signal.
Inspect Swing Motor and Gearbox: If hydraulic pressure is adequate, the issue may be internal to the Swing Motor (worn piston/cylinder block) or damaged reduction gears in the Swing Reduction Gearbox. Disassembly and inspection of the YB00002172RM type mechanism is required to identify mechanical failure.
Solution: If internal wear is confirmed, replace the damaged components (e.g., Swing Motor Rotary Group) or the entire Swing Device assembly with a high-quality SWAFLY replacement, such as the YB00002172RM.
SWAFLY Featured Hitachi Excavator Parts List
| No. | Brand | Part Number | Model | Part Name (English) |
|---|---|---|---|---|
| 1 | Hitachi | 9306368 | ZX350-5 | track adjuster |
| 2 | Hitachi | 9312060 | ZX290-5 | track adjuster |
| 3 | Hitachi | YA00028290H3 | ZX890LCH-5A | CYL.;BOOM |
| 4 | Hitachi | YA00028291H3 | ZX890LCH-5A | CYL.;BOOM |
| 5 | Hitachi | YA00028294H3 | ZX890LCH-5A | CYL.;BUCKET |
| 6 | Hitachi | YA00028292H3 | ZX890LCH-5A | CYL.;ARM |
| 7 | Hitachi | 4697128 | ZX670LCH-5G | CYL.;BOOM |
| 8 | Hitachi | 4697129 | ZX670LCH-5G | CYL.;BOOM |
| 9 | Hitachi | YA00028285 | ZX490LCH-5A | CYL.;BOOM |
| 10 | Hitachi | YA00028286 | ZX490LCH-5A | CYL.;BOOM |
| 11 | Hitachi | 4637751 | ZX450-3 | CYL.;BOOM |
| 12 | Hitachi | YA00023611 | ZX130-5A | 4JJ1XKSA03 Engine |
| 13 | Hitachi | 4625874 | ZX330-3 | 6HK1 Engine |
| 14 | Hitachi | 9312271 | ZX200-5A | CYL.;ARM |
| 15 | Hitachi | 9309801 | ZX240-5A | CYL.;BOOM |
| 16 | Hitachi | 9309802 | ZX240-5A | CYL.;BOOM |
| 17 | Hitachi | 9309803 | ZX240-5A | CYL.;ARM |
| 18 | Hitachi | 9309804 | ZX240-5A | CYL.;BUCKET |
| 19 | Hitachi | 9309805 | ZX280-5G/300-5A | CYL.;BOOM |
| 20 | Hitachi | 9309806 | ZX280-5G/300-5A | CYL.;BOOM |
| 21 | Hitachi | 9309807 | ZX280-5G/300-5A | CYL.;ARM |
| 22 | Hitachi | 9309808 | ZX280-5G/300-5A | CYL.;BUCKET |
| 23 | Hitachi | 9307832 | ZX330-5A | CYL;BOOM(R) |
| 24 | Hitachi | 9307833 | ZX330-5A | CYL;BOOM(L) |
| 25 | Hitachi | 9312267 | ZX330-5A | CYL;ARM |
| 26 | Hitachi | YA00028287 | ZX470-5G/490-5A | CYL.;ARM |
| 27 | Hitachi | 4697130 | ZX670-5G/690-5A | CYL.;ARM |
| 28 | Hitachi | 4697132 | ZX670-5G/690-5A | CYL.;BUCKET |
| 29 | Hitachi | YB00007154/9243839 | ZX240-5A | TRAVEL-DEVICE |
| 30 | Hitachi | YA00086816/YA00037264H3 | ZX870-5G/890-5A | VALVE;CONTROL |
Note: Part numbers containing '/' indicate multiple possible numbers for the same application.
SWAFLY Company Business and Service Commitment
SWAFLY is your global partner for heavy equipment spare parts. We specialize in providing high-quality replacement excavator parts, engine parts, and hydraulic components for brands like Hitachi. Our extensive inventory and expertise in construction machinery accessories ensure you find the right part, from a simple seal kit to a complex pump device.
Explore our full range of products and services:
WE SUPPORT CUSTOMIZED DEVELOPMENT AND PRODUCTION OF VARIOUS ACCESSORIES!
Need a specialized Swing Device part, a custom-sized Hydraulic Cylinder, or a unique Track Adjuster component? SWAFLY offers full OEM/ODM services to meet your exact engineering machinery spare parts requirements.
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